Endocrine Regulation

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Questions and Answers

Which enzyme is stimulated by both epinephrine and glucagon in the regulation of blood glucose levels?

  • Glycogen synthase
  • Kinase A (correct)
  • Phosphorylase A
  • Hexokinase

What is the primary effect of the stimulation of kinase A by epinephrine and glucagon?

  • Glycogen synthesis
  • Glucose uptake by cells
  • Insulin secretion
  • Glycogen breakdown (correct)

What is the consequence of the actions of epinephrine and glucagon on blood glucose levels?

  • Decreased blood glucose levels
  • Stable blood glucose levels
  • No effect on blood glucose levels
  • Increased blood glucose levels (correct)

What happens when two hormones exhibit a synergistic effect?

<p>Their combined effect is greater than the sum of their individual effects (C)</p> Signup and view all the answers

What is the result of the synergistic effect of two hormones on the physiological process?

<p>Their impact on the physiological process is multiplied (C)</p> Signup and view all the answers

Which of the following hormones act similarly on glucose utilization by cells?

<p>Insulin and IGF-1 (B)</p> Signup and view all the answers

What is the result of T3 and IGF-1's stimulation on bone health?

<p>Stimulate extracellular matrix synthesis in bones (A)</p> Signup and view all the answers

Which of the following hormones promotes protein synthesis?

<p>T3 (D)</p> Signup and view all the answers

Which hormone stimulates chondroid sulfates synthesis for extracellular matrix synthesis in bones?

<p>IGF-1 (B)</p> Signup and view all the answers

What is the permissive effect of one hormone on another hormone?

<p>It enhances the effect of the other hormone (D)</p> Signup and view all the answers

In the presence of which hormones is growth hormone's growth-promoting effect apparent?

<p>Thyroid hormones and IGF-1 (B)</p> Signup and view all the answers

What effect does estrogen exposure have on progesterone receptor expression in the uterus?

<p>It induces progesterone receptor expression (C)</p> Signup and view all the answers

Which hormone plays a role in retaining sodium in the body, elevating plasma sodium levels?

<p>Aldosterone (C)</p> Signup and view all the answers

Which hormone promotes sodium excretion, reducing plasma sodium levels?

<p>Atrial natriuretic peptide (ANP) (A)</p> Signup and view all the answers

Which pair of hormones play opposing roles in the regulation of plasma glucose levels?

<p>Insulin and glucagon (A)</p> Signup and view all the answers

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